J Korean Acad Nurs Adm.  2013 Jan;19(1):87-94.

Development of Nursing Practice Guidelines for Non-humidified Low Flow Oxygen Therapy by Nasal Cannula

  • 1Ajou Medical Center, Korea. withmimi@ajou.ac.kr


The purpose of this study was to provide a basis for non-humidified low flow oxygen by nasal cannula and to provide a guide for consistent care in nursing practice.
A methodological study on the development of guidelines with experts' opinions on collected items, framing PICO questions, evaluating and synthesizing texts which were searched with the key words (low flow oxygen, nasal cannula, humidification of oxygen, guideline) from web search engines.
Of the 45 researched texts on the web, 9 texts relevant to the theme were synthesized and evaluated. All patients with humidified or non-humidified oxygen therapy reported that they had no discomfort.
The results indicate that there are no tangible grounds for patients' perceived differences between the humidified and non-humidified oxygen under 4L/min supplied by nasal cannula. with oxygen. Therefore, non-humidification oxygen therapy is strongly advised when suppling under 4L/min oxygen by nasal cannula (recommended grade A).


Oxygen therapy; Low flow oxygen; Non-humidified; Evidence based clinical practice guideline; Nursing practice guideline

MeSH Terms



  • Figure 1 The Johns Hopkins Nursing Evidence-Based Practice Model.


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